Home / 971,996.80-1,456,828.80-498,438.40

Finding the Fourth Proportional to 971,996.80, 1,456,828.80 and 498,438.40

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Solution

The fourth proportional to 971,996.80, 1,456,828.80 and 498,438.40 is: 747,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,996.80 : 1,456,828.80 = 498,438.40 : x
  2. Step 2: Convert to fraction form
    971,996.80/1,456,828.80 = 498,438.40/x
  3. Step 3: Cross multiply
    971,996.80x = 1,456,828.80 × 498,438.40
  4. Step 4: Simplify right side
    971,996.80x = 726,139,416,145.92
  5. Step 5: Solve for x
    x = 726,139,416,145.92/971,996.80
  6. Step 6: Final answer
    x = 747,059.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.